rocketmq-store 0.9.0

// Copyright 2023 The RocketMQ Rust Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::sync::LazyLock;
use sysinfo::System;

pub struct StoreUtil;

pub static TOTAL_PHYSICAL_MEMORY_SIZE: LazyLock<u64> = LazyLock::new(StoreUtil::get_total_physical_memory_size);

impl StoreUtil {
    pub fn get_total_physical_memory_size() -> u64 {
        let mut sys = System::new_all();
        sys.refresh_all();
        let physical_total = sys.total_memory();
        physical_total * 1024 // Convert from kilobytes to bytes
    }
}